CN113442092A - Special axial extrusion tool - Google Patents
Special axial extrusion tool Download PDFInfo
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- CN113442092A CN113442092A CN202110853098.5A CN202110853098A CN113442092A CN 113442092 A CN113442092 A CN 113442092A CN 202110853098 A CN202110853098 A CN 202110853098A CN 113442092 A CN113442092 A CN 113442092A
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- 238000001125 extrusion Methods 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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Abstract
The invention provides an axial extrusion special tool which comprises a main body, wherein a cavity is arranged at the lower part of the main body, and a first through groove is arranged at the upper part of the main body; the first through groove is provided with a first jaw; a limiting push block penetrating out of the cavity in the vertical direction is arranged in the cavity, and a second jaw is machined at the upper part of the limiting push block; the cavity is internally provided with a driving mechanism for driving the limit push block to move axially, the first jaw or the second jaw clamps the first groove of the joint body, and the limit push block pushes the second jaw to move axially to push the extrusion ring and the joint body to move axially, so that the extrusion ring and the joint body are combined. The special tool disclosed by the invention ensures the coaxiality of the combined extrusion ring and the joint body, and can realize the convenience in maintenance of the special tool. The invention has the characteristics of small and exquisite structure and convenient use, has a double-support piston structure, ensures good coaxiality in the extrusion process, has a self-sealing structural design, and has good sealing property and maintainability.
Description
Technical Field
The invention relates to the technical field of axial extrusion pipeline connecting tools, in particular to a special axial extrusion tool.
Background
Patent "axial extrusion formula connecting pipe coupling subassembly and coupling that constitutes thereof" (application number: 202011079903.5 discloses a structure of pipe joint and extrusion ring; the axially extruded tube coupling comprises a cylindrical coupling body having a bore therethrough, open at each end for insertion of tubing, and an extrusion ring on each side of the coupling body. The outer surface of the coupling body and the inner surface of the compression ring are in contact with each other and are shaped to exert a radial force on the coupling body and the tubing as the compression ring moves axially on the coupling body.
In the process of connecting the pipe joint and the extrusion ring through the axis, special axial extrusion equipment and a special axial extrusion tool are needed to be adopted, the extrusion ring is pushed along the axial direction of the joint body by certain axial thrust, because the diameter of an inner hole of the extrusion ring is smaller than the diameter of an outer ring of the joint body, after the extrusion ring generates axial displacement, the outer wall of the joint body is extruded by mechanical interference, the joint body generates deformation and compresses a pipe, in the whole deformation process, the extrusion ring, the joint body and the pipe generate elastoplastic deformation, because the material strength between the three is different, the elastoplastic deformation is inconsistent, tight connection between the three can be realized through deformation, and the sealing effect is achieved.
However, the existing common extrusion tool is complex in structural design, the usability of a product is reduced after the extrusion tool is used for many times, the maintainability of the product is poor, and the extrusion tool is often accompanied with the problem of poor coaxiality in the process of realizing the extrusion of the pipe joint through axial movement. Therefore, there is a need for a reliable extrusion tool for performing axial extrusion procedures that can be easily maintained after multiple uses and that can ensure the coaxiality of the extruded catheter.
Disclosure of Invention
According to the technical problems, the special axial extrusion tool is specially used for connecting the pipe joint and the extrusion ring in the patent 'axial extrusion type connecting pipe joint assembly and the pipe joint formed by the same', the coaxiality of the pipe joint and the extrusion ring is ensured, and the special tool can be conveniently maintained.
The technical means adopted by the invention are as follows:
the special tool for axial extrusion comprises a main body, wherein a cavity is formed in the lower part of the main body, and a first through groove is formed in the upper part of the main body; one end of the first through groove is provided with a U-shaped first jaw;
a limiting push block is arranged in the cavity, and an opening for the upper part of the limiting push block to penetrate out of the cavity and for the limiting push block to move axially is processed at the position of the limiting push block on the upper part of the main body; the upper part of the limiting push block radially penetrates out of the cavity through the opening, a second through groove is machined in the upper part of the limiting push block, a second jaw matched with the first jaw is machined at one end, close to the first jaw, of the second through groove, and the axis of the second jaw is overlapped with the axis of the first jaw; the width of the opening is matched with the width of the limiting push block.
The first jaw is used for clamping a first groove of the joint body, the extrusion ring is sleeved on the end face of the joint body, and the end face of the second jaw axially pushes the extrusion ring to be combined with the joint body; or the second jaw is used for clamping the first groove of the joint body, the extrusion ring is sleeved on the end surface of the joint body, the end surface of the extrusion ring is abutted against the end surface of the first jaw, and the end surface of the second jaw axially pushes the joint body to be combined with the extrusion ring; after the first jaw or the second jaw clamps the first groove of the joint body, the axis of the joint body is parallel to the movement axis of the limiting push block;
the first jaw or the second jaw clamps the first groove of the joint body, and two end faces of the first jaw or the second jaw are respectively abutted against the first flange and the hexagonal structure of the joint body.
The special tool further comprises a driving mechanism for driving the limiting push block to move axially, the output end of the driving mechanism is hermetically mounted in the cavity and connected with the limiting push block, and an input end for driving the output end to work is arranged at one end, far away from the first jaw, of the cavity.
The output end is a piston assembly, the part of the limiting push block, which is positioned in the cavity, is connected with the piston assembly, and the input end is a hydraulic supply device for driving the piston assembly to work.
The piston assembly comprises a piston cylinder, a piston rod, a friction ring and a screw rod which are coaxially arranged, the piston cylinder and the piston rod are fixed into a whole by the screw rod, the friction ring is installed on the piston rod, and the part of the limiting push block, which is positioned in the cavity, is connected with the piston rod.
The piston cylinder comprises a first large-diameter section and a first small-diameter section, the piston rod comprises a second large-diameter section and a second small-diameter section, a second groove extending towards the first small-diameter section is processed at the end part of the first large-diameter section, and the inner diameter of the second groove is matched with the outer diameter of the second small-diameter section; the end part of the second small-diameter section is arranged in the second groove, a third groove extending towards the direction of the second small-diameter section is processed at one end, away from the second small-diameter section, of the second large-diameter section, the screwing end of the screw rod is arranged at the bottom of the third groove, and the threaded end of the screw rod is in threaded connection with the first large-diameter section;
the outer diameter of the first large-diameter section is matched with the inner diameter of the inner cavity, and the outer diameter of the second large-diameter section is larger than that of the first large-diameter section; the part of the limiting push block, which is positioned in the inner cavity, is sleeved on one part of the second large-diameter section and one part of the second small-diameter section, the part of the limiting push block, which is positioned in the inner cavity, comprises a first inner-diameter section and a second inner-diameter section, the inner diameter of the first inner-diameter section is matched with the outer diameter of the second large-diameter section, the outer diameter of the first inner-diameter section is matched with the inner diameter of the inner cavity, the inner diameter of the second inner-diameter section is matched with the outer diameter of the second small-diameter section, the outer diameter of the second inner-diameter section is matched with the outer diameter of the first inner-diameter section, and the second small-diameter section is clamped between the second large-diameter section and the first large-diameter section;
the friction ring is sleeved on the part, which is not covered by the limiting push block, of the second large-diameter section.
Install the sealing washer on the first major diameter section, install Y type sealing washer on the first minor diameter section, just the opening orientation of Y type sealing washer the input. The Y-shaped sealing ring can be radially expanded under the action of high-pressure fluid, the peripheral surface of the Y-shaped sealing ring is in contact with the inner cavity surface of the main body, the contact is tighter when the fluid pressure is higher, and good sealing can be formed under a high-pressure environment.
And a return spring assembly for driving the piston assembly to reset is arranged in the cavity.
The reset spring subassembly includes spring, locking board and jump ring, the jump ring is in through processing the inner chamber is kept away from the annular inner chamber of input one end is installed in the inner chamber, the central joint of jump ring has the locking board, just the locking board with be equipped with the spring between the piston rod.
The same inclined plane is machined on one side, close to the input end, of the top surface of the first through groove and on one side, close to the input end, of the second through groove. A yielding groove is machined in the side wall of the first through groove between the first jaw and the second jaw;
the bottoms of the first through groove and the second through groove are arc-shaped.
The input is in including processing the cavity tip, and with the connection chamber of cavity intercommunication, just the axis of connecting the chamber with the axis coincidence of cavity, the one end of connector with connect chamber threaded connection, the upper portion of the other end of connector is connected with hydraulic oil input device through universal joint.
In the use state: hydraulic oil enters the cavity through the universal joint and the connector, the piston cylinder, the piston rod, the friction ring and the limiting push block are pushed to move, relative displacement occurs between the first jaw and the second jaw, and the extrusion ring is axially extruded to be combined with the joint body. After extrusion is completed, the spring pushes the piston cylinder, the piston rod, the friction ring and the limiting push block to reset. Wherein the Y-shaped sealing ring and the sealing ring can play a good sealing role.
The lower part of main part is the circular arc design, and its purpose is convenient handheld operation in guaranteeing the use, and the upper portion of main part is the rectangle design on inclined plane, and the inclined plane can guarantee that the structure of whole instrument is compacter, weight reduction simultaneously.
The friction ring and the piston cylinder are respectively positioned at two ends of the inner cavity, so that the effect of double support is realized, and the coaxiality of the piston assembly in the axial movement process can be effectively ensured by the double support.
The surface treatment of the Ni-Ti coating is added to the inner cavity, the friction ring is preferably made of cast iron, the wear resistance is good, after the friction ring or the inner cavity of the main body is used in a reciprocating friction mode for many times, the treatment of increasing the wear-resistant layer can be carried out by replacing the friction ring or the inner cavity of the main body, and the service life of the whole tool can be effectively prolonged.
Compared with the prior art, the invention has the following advantages:
1. the tool is small and exquisite, and the axiality of coupling, tubular product and extrusion ring has been guaranteed.
2. The whole tool is convenient to disassemble and maintain, and particularly the friction ring is easy to replace.
3. The sealing effect is good, the Y-shaped sealing ring is adopted, and after the Y-shaped sealing ring is pressed, the Y port is expanded outwards, so that the sealing performance is better.
4. The axial extrusion of the pipe joint and the extrusion ring is more convenient.
5. The universal joint is arranged on the upper portion of the connector, the hydraulic oil input device is more convenient to connect, and installation at any angle is achieved.
For the reasons, the invention can be widely popularized in the fields of pipe joint installation and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an axial extrusion special tool according to an embodiment of the present invention.
Fig. 2 is a sectional view of an axial extrusion special tool according to an embodiment of the present invention.
FIG. 3 is a schematic view of a first caliper seizing first groove configuration in accordance with an embodiment of the present invention.
FIG. 4 is a schematic view of a second caliper capture first groove configuration in accordance with an embodiment of the present invention.
Fig. 5 is a schematic view of a pipe joint and an extrusion ring according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a piston assembly and a return spring assembly according to an embodiment of the present invention.
Fig. 7 is a sectional view of a main body in accordance with an embodiment of the present invention.
In the figure: 1. a main body; 11. a cavity; 12. a first through groove; 13. a first jaw; 14. an opening; 15. a yielding groove; 2. a limiting push block; 21. a second through groove; 22. a second jaw; 23. a first inner diameter section; 24. a second inner diameter section; 3. a fitting body; 31. a first groove; 32. a first flange; 33. a hexagonal structure; 4. an extrusion ring; 5. a piston assembly; 51. a piston cylinder; 511. a first major diameter section; 512. a first small diameter section; 513. a second groove; 514. a seal ring; 515. a Y-shaped seal ring; 52. a piston rod; 521. a second major diameter section; 522. a second minor diameter section; 523. a third groove; 53. a friction ring; 54. a screw; 6. a return spring assembly; 61. a spring; 62. a stopper plate; 63. a clamp spring; 7. a hydraulic pressure supply device; 71. a connecting cavity; 72. a connector; 73. a universal joint.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1 to 7, the special axial extrusion tool comprises a main body 1, a cavity 11 is arranged at the lower part of the main body 1, and a first through groove 12 is arranged at the upper part of the main body 1 (as shown in fig. 7);
one end of the first through groove 12 is provided with a U-shaped first jaw 13;
a limiting push block 2 is arranged in the cavity 11, and an opening 14 for allowing the upper part of the limiting push block 2 to penetrate out of the cavity and for allowing the limiting push block 2 to move axially is processed at the position of the limiting push block 2 at the upper part of the main body 1; the upper part of the limiting push block 2 radially penetrates out of the cavity 1 through the opening 14, a second through groove 21 is machined in the upper part of the limiting push block 2, a second jaw 22 matched with the first jaw 13 is machined at one end, close to the first jaw 13, of the second through groove 21, and the axis of the second jaw 21 is overlapped with the axis of the first jaw 13; the width of the opening 14 is matched with the width of the limit push block 2.
The first jaw 13 is used for clamping a first groove 31 of the joint body 3, the extrusion ring 4 is sleeved on the end surface of the joint body 3, and the end surface of the second jaw 21 axially pushes the extrusion ring 4 to be combined with the joint body 3 (as shown in fig. 3); or the second jaw 21 is used for clamping the first groove 31 of the joint body 3, the extrusion ring 4 is sleeved on the end surface of the joint body 3, the end surface of the extrusion ring 4 is abutted against the end surface of the first jaw 13, and the end surface of the second jaw 21 axially pushes the joint body 3 to be combined with the extrusion ring 4 (as shown in fig. 4); after the first jaw 13 or the second jaw 21 clamps the first groove 31 of the joint body 3, the axis of the joint body 3 is parallel to the movement axis of the limiting push block 2;
the first jaw 13 or the second jaw 21 clamps the first groove 31 of the joint body 3, and two end surfaces of the first jaw 13 or the second jaw 21 respectively abut against the first flange 32 and the hexagonal structure 33 of the joint body 3.
The special tool further comprises a driving mechanism for driving the limiting push block 2 to move axially, the output end of the driving mechanism is hermetically installed in the cavity 11 and connected with the limiting push block 2, and an input end for driving the output end to work is arranged at one end, far away from the first jaw 13, of the cavity 11.
The output end is a piston assembly 5, the part of the limiting push block 2, which is positioned in the cavity 11, is connected with the piston assembly, and the input end is a hydraulic supply device 7 for driving the piston assembly to work.
The piston assembly 5 comprises a piston cylinder 51, a piston rod 52, a friction ring 53 and a screw rod 54 which are coaxially arranged, the piston cylinder 51 and the piston rod 52 are fixed into a whole by the screw rod 54, the friction ring 53 is installed on the piston rod, and the part of the limit push block 2, which is positioned in the cavity 11, is connected with the piston rod 52.
The piston cylinder 51 comprises a first large-diameter section 511 and a first small-diameter section 512, the piston rod 52 comprises a second large-diameter section 521 and a second small-diameter section 522, a second groove 513 extending towards the first small-diameter section 512 is formed at the end of the first large-diameter section 511, and the inner diameter of the second groove 513 is matched with the outer diameter of the second small-diameter section 522; the end of the second small diameter section 522 is arranged in the second groove 513, a third groove 523 extending towards the second small diameter section 521 is processed at one end of the second large diameter section 521 away from the second small diameter section 521, the screwing end of the screw 54 is arranged at the bottom of the third groove 523, and the threaded end of the screw 54 is in threaded connection with the first large diameter section 511;
the outer diameter of the first large-diameter section 511 is matched with the inner diameter of the inner cavity 11, and the outer diameter of the second large-diameter section 521 is larger than that of the first large-diameter section 511; the part of the limiting push block 2 in the inner cavity 11 is sleeved on a part of the second large-diameter section 521 and a part of the second small-diameter section 522, the inner diameter of the limiting push block 2 is matched with the part wrapped by the limiting push block 2, the part of the limiting push block 2 in the inner cavity 11 comprises a first inner-diameter section 23 and a second inner-diameter section 24, the inner diameter of the first inner-diameter section 23 is matched with the outer diameter of the second large-diameter section 521, the outer diameter of the first inner-diameter section is matched with the inner diameter of the inner cavity 11, the inner diameter of the second inner-diameter section 24 is matched with the outer diameter of the second small-diameter section 522, the outer diameter of the second inner-diameter section is matched with the outer diameter of the first inner-diameter section 23, and the second small-diameter section 24 is clamped between the second large-diameter section 511 and the first large-diameter section 521;
the friction ring 53 is sleeved on the part, which is not covered by the limiting push block 2, of the second large-diameter section 521.
A plurality of sealing rings 514, two in this embodiment, are installed on the first major diameter section 511, a Y-shaped sealing ring 515 is installed on the first minor diameter section 512, and an opening of the Y-shaped sealing ring 515 faces the input end.
And a return spring assembly 6 for driving the piston assembly 5 to return is arranged in the cavity 11.
The same inclined plane is processed on one side of the top surface of the first through groove 12 close to the input end and on one side of the second through groove 21 close to the input end. The side wall of the first through groove 12 is provided with a yielding groove 15 between the first jaw 13 and the second jaw 22, and the yielding groove 15 is convenient for processing the opening 14.
The bottoms of the first through grooves 12 and the second through grooves 21 are arc-shaped.
The hydraulic supply device 7 comprises a cavity end part (far away from one end of the return spring assembly 6), a connecting cavity 71 communicated with the cavity 11, the axis of the connecting cavity 71 is coincided with the axis of the cavity 11, one end of a connecting head 72 is in threaded connection with the connecting cavity 71, and the upper part of the other end of the connecting head 72 is connected with a hydraulic oil input device through a universal joint 73.
Hydraulic oil enters the cavity 11 through the universal joint 73 and the connector 72, the piston cylinder 51, the piston rod 52, the friction ring 53 and the limiting push block 2 are pushed to move, relative displacement occurs between the first jaw 13 and the second jaw 22, and the extrusion ring 4 is axially extruded to be combined with the connector body 3. After extrusion is completed, the piston cylinder 51, the piston rod 52, the friction ring 53 and the limiting push block 2 are pushed by the spring 61 to reset. Wherein the Y-shaped sealing ring 515 and the sealing ring 514 can play a good sealing role.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The special axial extrusion tool is characterized by comprising a main body, wherein a cavity is formed in the lower part of the main body, and a first through groove is formed in the upper part of the main body;
one end of the first through groove is provided with a first jaw;
a limiting push block is arranged in the cavity, and an opening for the upper part of the limiting push block to penetrate out of the cavity and for the limiting push block to move axially is processed at the position of the limiting push block on the upper part of the main body; the upper part of the limiting push block radially penetrates out of the cavity through the opening, a second through groove is machined in the upper part of the limiting push block, a second jaw matched with the first jaw is machined at one end, close to the first jaw, of the second through groove, and the axis of the second jaw is overlapped with the axis of the first jaw;
the first jaw is used for clamping a first groove of the joint body, the extrusion ring is sleeved on the end face of the joint body, and the end face of the second jaw axially pushes the extrusion ring to be combined with the joint body; or the second jaw is used for clamping the first groove of the joint body, the extrusion ring is sleeved on the end surface of the joint body, the end surface of the extrusion ring is abutted against the end surface of the first jaw, and the end surface of the second jaw axially pushes the joint body to be combined with the extrusion ring;
the special tool further comprises a driving mechanism for driving the limiting push block to move axially, the output end of the driving mechanism is hermetically mounted in the cavity and connected with the limiting push block, and one end, far away from the first jaw, of the cavity is connected with an input end for driving the output end to work.
2. The special axial extrusion tool as claimed in claim 1, wherein the output end is a piston assembly, the part of the limiting push block located in the cavity is connected with the piston assembly, and the input end is a hydraulic supply device for driving the piston assembly to work.
3. The special axial extrusion tool as claimed in claim 2, wherein the piston assembly comprises a piston cylinder, a piston rod, a friction ring and a screw rod which are coaxially arranged, the screw rod fixes the piston cylinder and the piston rod into a whole, the friction ring is installed on the piston rod, and the part of the limit push block located in the cavity is connected with the piston rod.
4. The special axial extrusion tool as claimed in claim 3, wherein the piston cylinder comprises a first large diameter section and a first small diameter section, the piston rod comprises a second large diameter section and a second small diameter section, a second groove extending towards the first small diameter section is processed at the end of the first large diameter section, and the inner diameter of the second groove is matched with the outer diameter of the second small diameter section; the end part of the second small-diameter section is arranged in the second groove, a third groove extending towards the direction of the second small-diameter section is processed at one end, away from the second small-diameter section, of the second large-diameter section, the screwing end of the screw rod is arranged at the bottom of the third groove, and the threaded end of the screw rod is in threaded connection with the first large-diameter section;
the outer diameter of the first large-diameter section is matched with the inner diameter of the inner cavity, and the outer diameter of the second large-diameter section is larger than that of the first large-diameter section; the part of the limiting push block, which is positioned in the inner cavity, is sleeved on one part of the second large-diameter section and one part of the second small-diameter section, the part of the limiting push block, which is positioned in the inner cavity, comprises a first inner-diameter section and a second inner-diameter section, the inner diameter of the first inner-diameter section is matched with the outer diameter of the second large-diameter section, the outer diameter of the first inner-diameter section is matched with the inner diameter of the inner cavity, the inner diameter of the second inner-diameter section is matched with the outer diameter of the second small-diameter section, the outer diameter of the second inner-diameter section is matched with the outer diameter of the first inner-diameter section, and the second small-diameter section is clamped between the second large-diameter section and the first large-diameter section;
the friction ring is sleeved on the part, which is not covered by the limiting push block, of the second large-diameter section.
5. The special axial extrusion tool of claim 4, wherein the first large diameter section is provided with a sealing ring, the first small diameter section is provided with a Y-shaped sealing ring, and the opening of the Y-shaped sealing ring faces the input end.
6. The special axial extrusion tool as claimed in claim 2, wherein a return spring assembly for driving the piston assembly to return is arranged in the cavity.
7. The special axial extrusion tool as claimed in claim 6, wherein the return spring assembly comprises a spring, a stop plate and a clamp spring, the clamp spring is installed in the inner cavity by processing an annular inner cavity at one end of the inner cavity far away from the input end, the stop plate is clamped at the center of the clamp spring, and the spring is arranged between the stop plate and the piston rod.
8. The special axial extrusion tool of claim 1, wherein the top surface of the first through groove is beveled on a side thereof adjacent to the input end.
9. The special tool for axial extrusion of claim 1, wherein the bottom of the first through groove and the bottom of the second through groove are arc-shaped, and the first jaw and the second jaw are U-shaped.
10. The special axial extrusion tool as claimed in claim 2, wherein the hydraulic supply device comprises a connection cavity formed at the end of the cavity and communicated with the cavity, the axis of the connection cavity coincides with the axis of the cavity, one end of the connection head is in threaded connection with the connection cavity, and the upper part of the other end of the connection head is connected with a hydraulic oil input device through a universal joint.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193395A (en) * | 2021-12-31 | 2022-03-18 | 中国航空制造技术研究院 | Mounting tool with monitoring function |
| CN114633234A (en) * | 2022-03-23 | 2022-06-17 | 禧阅航空技术(上海)有限公司 | Accurate pressure equipment instrument of coupling axial |
| CN115026766A (en) * | 2022-06-23 | 2022-09-09 | 四川中自科技有限公司 | Axial extrusion tool, axial extrusion device system and use method thereof |
| CN115816370A (en) * | 2023-01-07 | 2023-03-21 | 中国航空制造技术研究院 | Table type axial extrusion mounting tool and mounting method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415169A (en) * | 1981-09-28 | 1983-11-15 | Baker International Corporation | Seal for concentric tubular member |
| CN1829009A (en) * | 2005-02-11 | 2006-09-06 | 约翰·麦扎林格瓦联合股份有限公司 | Connector compression tool and method of use thereof |
| CN102712024A (en) * | 2009-12-10 | 2012-10-03 | 尤尼弗莱克斯-液压有限责任公司 | Radial press |
| CN109291003A (en) * | 2018-11-09 | 2019-02-01 | 珠海格力电器股份有限公司 | Shaft hole interference fit mounting and dismounting device and method |
| CN211439783U (en) * | 2019-12-18 | 2020-09-08 | 株洲硬质合金集团有限公司 | YX type sealing washer installation device |
| CN112066103A (en) * | 2020-10-10 | 2020-12-11 | 大连长之琳科技发展有限公司 | Axial extrusion type connecting pipe joint assembly and pipe joint formed by same |
-
2021
- 2021-07-27 CN CN202110853098.5A patent/CN113442092B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415169A (en) * | 1981-09-28 | 1983-11-15 | Baker International Corporation | Seal for concentric tubular member |
| CN1829009A (en) * | 2005-02-11 | 2006-09-06 | 约翰·麦扎林格瓦联合股份有限公司 | Connector compression tool and method of use thereof |
| CN102712024A (en) * | 2009-12-10 | 2012-10-03 | 尤尼弗莱克斯-液压有限责任公司 | Radial press |
| CN109291003A (en) * | 2018-11-09 | 2019-02-01 | 珠海格力电器股份有限公司 | Shaft hole interference fit mounting and dismounting device and method |
| CN211439783U (en) * | 2019-12-18 | 2020-09-08 | 株洲硬质合金集团有限公司 | YX type sealing washer installation device |
| CN112066103A (en) * | 2020-10-10 | 2020-12-11 | 大连长之琳科技发展有限公司 | Axial extrusion type connecting pipe joint assembly and pipe joint formed by same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193395A (en) * | 2021-12-31 | 2022-03-18 | 中国航空制造技术研究院 | Mounting tool with monitoring function |
| CN114193395B (en) * | 2021-12-31 | 2024-01-26 | 中国航空制造技术研究院 | Mounting tool with monitoring function |
| CN114633234A (en) * | 2022-03-23 | 2022-06-17 | 禧阅航空技术(上海)有限公司 | Accurate pressure equipment instrument of coupling axial |
| CN114633234B (en) * | 2022-03-23 | 2024-06-18 | 禧阅航空技术(上海)有限公司 | Accurate pressure equipment instrument of coupling axial |
| CN115026766A (en) * | 2022-06-23 | 2022-09-09 | 四川中自科技有限公司 | Axial extrusion tool, axial extrusion device system and use method thereof |
| CN115816370A (en) * | 2023-01-07 | 2023-03-21 | 中国航空制造技术研究院 | Table type axial extrusion mounting tool and mounting method |
| CN115816370B (en) * | 2023-01-07 | 2024-01-26 | 中国航空制造技术研究院 | Table type axial extrusion mounting tool and mounting method |
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|---|---|
| CN113442092B (en) | 2022-08-19 |
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Address after: No. 22 Fuquan North Road, Dalian Economic and Technological Development Zone, Liaoning Province, 116600 Patentee after: Dalian Changzhilin Technology Development Co.,Ltd. Country or region after: China Patentee after: Chengdu changzhilin Aviation Manufacturing Co.,Ltd. Address before: No.22 Fuquan North Road, economic and Technological Development Zone, Dalian City, Liaoning Province, 116000 Patentee before: DALIAN C&L TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region before: China Patentee before: Chengdu changzhilin Aviation Manufacturing Co.,Ltd. |